package com.example.rjwmproject.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.example.rjwmproject.common.R;
import com.example.rjwmproject.dto.DishDto;
import com.example.rjwmproject.entity.Category;
import com.example.rjwmproject.entity.Dish;
import com.example.rjwmproject.entity.Employee;
import com.example.rjwmproject.service.CategoryService;
import com.example.rjwmproject.service.DishFlavorService;
import com.example.rjwmproject.service.DishService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

//菜品管理
@RestController
@RequestMapping("/dish")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;

    @Autowired
    private DishFlavorService dishFlavorService;

    @Autowired
    private CategoryService categoryService;

//    新增菜品
    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());

        dishService.saveWithFlavor(dishDto);

        return R.success("新增菜品成功");
    }

//    菜品信息分页查询
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){

        //        构造分页构造器
        Page<Dish> pageInfo=new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage=new Page<>();

//        构造条件构造器
        LambdaQueryWrapper<Dish> queryWrapper=new LambdaQueryWrapper<>();
//        添加过滤条件
        queryWrapper.like(name!=null,Dish::getName,name);
//        添加排序条件
        queryWrapper.orderByDesc(Dish::getUpdateTime);
//        执行查询
        dishService.page(pageInfo,queryWrapper);
//        对象拷贝
        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");

        List<Dish> records=pageInfo.getRecords();
        List<DishDto> list=records.stream().map((item)->{
            DishDto dishDto=new DishDto();
            BeanUtils.copyProperties(item,dishDto);
            Long categoryId=item.getCategoryId();
            Category category=categoryService.getById(categoryId);
            if(category!=null){
                String categoryName=category.getName();
                dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        }).collect(Collectors.toList());

        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);

    }

//    根据id查询菜品信息和对应的口味信息
    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id){

        DishDto dishDto=dishService.getByIdWithFlavor(id);

        return R.success(dishDto);
    }

    //    修改菜品
    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto){
        log.info(dishDto.toString());

        dishService.updateWithFlavor(dishDto);

        return R.success("新增菜品成功");
    }

    //根据条件查询对应的菜品数据
    @GetMapping("/list")
    public R<List<Dish>> list(Dish dish){
        //构造查询条件
        LambdaQueryWrapper<Dish> queryWrapper=new LambdaQueryWrapper<>();
        queryWrapper.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        //添加条件，查询状态为1（起售状态）的菜品
        queryWrapper.eq(Dish::getStatus,1);

        //添加排序条件
        queryWrapper.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list=dishService.list(queryWrapper);

        return R.success(list);
    }

}
